text: //
  //  Test2.h
  //  Singleton
  //
  //  Created by zhang on 16/5/14.
  //  Copyright (c) 2016年 zhang. All rights reserved.
  //
  
  #import <Foundation/Foundation.h>
  
  @interface Test2 : NSObject
  
  + (instancetype)sharedTest2;
  
  @end
  